[#1597] Improve EmailUtils Intent for more clients

- Closes #1597
- Changelogs update

CHANGELOG.md

@@ -13,6 +13,9 @@ and this application adheres to [Semantic Versioning](https://semver.org/spec/v2
 - The Message text field on the Send Form screen has been updated to provide the Return key on the software keyboard 
   and make auto-capitalization on the beginning of every sentence or new line. 
 
+### Fixed
+- `EmailUtils.newMailActivityIntent` has been updated to produce an `Intent` that more e-mail clients can understand
+
 ## [1.2 (731)] - 2024-09-16
 
 ### Changed

docs/whatsNew/WHATS_NEW_EN.md

@@ -16,6 +16,9 @@ directly impact users rather than highlighting other key architectural updates.*
 - The Message text field on the Send Form screen has been updated to provide the Return key on the software keyboard
   and make auto-capitalization on the beginning of every sentence or new line.
 
+### Fixed
+- `EmailUtils.newMailActivityIntent` has been updated to produce an `Intent` that more e-mail clients can understand
+
 ## [1.2 (731)] - 2024-09-16
 
 ### Added

ui-lib/src/main/java/co/electriccoin/zcash/ui/util/EmailUtil.kt

@@ -1,3 +1,5 @@
+@file:Suppress("UnusedPrivateMember")
+
 package co.electriccoin.zcash.ui.util
 
 import android.content.Intent
@@ -24,7 +26,7 @@ object EmailUtil {
         recipientAddress: String,
         messageSubject: String,
         messageBody: String
-    ): Intent = newIntentAsUri(recipientAddress, messageSubject, messageBody)
+    ): Intent = newIntentAsUriAndExtras(recipientAddress, messageSubject, messageBody)
 
     private fun newIntentAsUri(
         recipientAddress: String,
@@ -69,6 +71,24 @@ object EmailUtil {
         }
     }
 
+    // This approach combines both adding data to Uri and Extras to ensure that most of the available e-mail client
+    // apps can understand the output Intent. Tested with Gmail, Proton mail, Yahoo, and Seznam.cz.
+    private fun newIntentAsUriAndExtras(
+        recipientAddress: String,
+        messageSubject: String,
+        messageBody: String
+    ) = Intent(Intent.ACTION_SENDTO).apply {
+        data = Uri.parse(newMailToUriString(recipientAddress, messageSubject, messageBody))
+        putExtra(
+            Intent.EXTRA_EMAIL,
+            arrayOf(
+                recipientAddress
+            )
+        )
+        putExtra(Intent.EXTRA_SUBJECT, messageSubject)
+        putExtra(Intent.EXTRA_TEXT, messageBody)
+    }
+
     internal fun formatMessage(
         prefix: String? = null,
         body: String? = null,